Chien-Shiung Wu
USPS 2021 Chien-Shiung Wu Forever® Stamps – Set of 5 Sheets (100 Stamps)
Celebrate the extraordinary achievements, groundbreaking discoveries, and enduring scientific legacy of one of the twentieth century's most influential physicists with the USPS 2021 Chien-Shiung Wu Forever® Stamps Set of 5 Sheets, totaling 100 stamps. Officially issued by the United States Postal Service on February 11, 2021, in recognition of the International Day of Women and Girls in Science, this distinguished commemorative release honors Dr. Chien-Shiung Wu (1912–1997), a pioneering Chinese American experimental nuclear physicist whose remarkable contributions transformed modern scientific understanding. Widely recognized for her exceptional experimental abilities and groundbreaking research, Dr. Wu played a central role in challenging established assumptions about the fundamental laws of physics. Her celebrated experimental work demonstrated the violation of parity conservation in weak nuclear interactions, contributing to one of the most significant developments in twentieth-century physics. Throughout her distinguished career, she also advanced research in nuclear physics and became an influential advocate for greater opportunities for women in scientific fields. This meaningful USPS release honors her extraordinary intellectual achievements, scientific determination, and lasting influence on generations of researchers, educators, and aspiring scientists.
This set includes five complete sheets of 20 Forever® stamps each, for a total of 100 stamps, featuring one distinguished commemorative portrait design repeated throughout each sheet. Created from original artwork by acclaimed illustrator Kam Mak under the artistic direction of USPS art director Ethel Kessler, the stamp presents an elegant portrait of Dr. Chien-Shiung Wu alongside a chalkboard featuring a scientific equation associated with her groundbreaking research. The carefully composed illustration captures her thoughtful expression and professional presence while incorporating visual elements that reflect her extraordinary contributions to experimental physics. The chalkboard background reinforces the stamp's scientific significance, creating a meaningful connection between the honored physicist and the discoveries that helped reshape modern scientific knowledge. Through its refined color palette, expressive portraiture, and carefully integrated scientific imagery, the design combines artistic craftsmanship with historical and educational importance. This exceptional USPS issue transforms a portrait of one of America's most accomplished scientific pioneers into a lasting celebration of intellectual curiosity, scientific innovation, and the pursuit of knowledge.
An exceptional addition to any distinguished stamp collection, the 2021 Chien-Shiung Wu Forever® Stamps Set of 5 Sheets brings together scientific history, women's achievements, historical portraiture, and American postal heritage in one remarkable commemorative offering. Whether preserved as part of a science or technology collection, displayed in recognition of pioneering women in physics, or treasured by educators, researchers, historians, admirers of scientific discovery, and philatelists alike, this five-sheet set of 100 USPS Forever® stamps offers a timeless tribute to Dr. Wu's extraordinary accomplishments and enduring influence on modern physics. A meaningful celebration of perseverance, intellectual excellence, and the remarkable contributions of women to scientific advancement, this official USPS release represents a distinguished addition to collections honoring notable American achievements, groundbreaking discoveries, and the individuals whose dedication has expanded humanity's understanding of the universe.
What's Included
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Quantity: 5 Complete Sheets
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Stamps Per Sheet: 20
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Total Stamps: 100
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Issue Year: 2021
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Stamp Type: USPS First-Class Mail Forever®
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Design: Chien-Shiung Wu – Commemorative Scientific Portrait
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Designs Per Sheet: 1 Unique Design
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Honored Individual: Dr. Chien-Shiung Wu (1912–1997)
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Historical Significance: Pioneering Experimental Nuclear Physicist
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Scientific Achievement: Experimental Demonstration of Parity Violation in Weak Nuclear Interactions
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Artwork: Kam Mak
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Art Director: Ethel Kessler
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Original Issue Date: February 11, 2021
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Issue Occasion: International Day of Women and Girls in Science
Disclosures
Independent Business Disclosure
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Packaging & Fulfillment Notice
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Postal Use & Collector Value Notice
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Product Presentation Notice
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Stamp Information & Authenticity
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Trademark & Intellectual Property Notice
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Website Content & Information Notice
Independent Business Disclosure
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Packaging & Fulfillment Notice
•
Postal Use & Collector Value Notice
•
Product Presentation Notice
•
Stamp Information & Authenticity
•
Trademark & Intellectual Property Notice
•
Website Content & Information Notice

Packaging & Fulfillment Notice

Postal Use & Collector Value Notice

Product Presentation Notice

Stamp Information & Authenticity

Trademark & Intellectual Property Notice
